17080649 has 2 divisors, whose sum is σ = 17080650. Its totient is φ = 17080648.

The previous prime is 17080603. The next prime is 17080663. The reversal of 17080649 is 94608071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17073424 + 7225 = 4132^2 + 85^2 .

It is an emirp because it is prime and its reverse (94608071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17080649 - 2²⁰ = 16032073 is a prime.

It is a super-2 number, since 2×17080649² = 583497140522402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (17080949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8540324 + 8540325.

It is an arithmetic number, because the mean of its divisors is an integer number (8540325).

Almost surely, 2^17080649 is an apocalyptic number.

It is an amenable number.

17080649 is a deficient number, since it is larger than the sum of its proper divisors (1).

17080649 is an equidigital number, since it uses as much as digits as its factorization.

17080649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 17080649 is about 4132.8741814868. The cubic root of 17080649 is about 257.5341281312.

The spelling of 17080649 in words is "seventeen million, eighty thousand, six hundred forty-nine".